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<p>This work used the solution growth technique to synthesize 4-aminopyridine nitrate (4APN), a semi-organic material. The 4APN crystals were investigated using X-ray diffraction (XRD), Fourier transform Infrared (FTIR), Scanning electron microscopy (SEM), UV–Visible, photoluminescence (PL), second-harmonic generation (SHG), thermal, and dielectric measurements. The XRD study revealed the monoclinic structure of 4APN. FTIR determined&#xa0;the substance’s molecular vibrations. The optical spectra revealed an extensive transmission in the near-UV and visible range. The 4APN’s bandgap and Urbach energy were determined to be 4.30 and 0.055&#xa0;eV. PL studies were used to explore the light-emitting property of 4APN. The SHG study revealed the generation of second harmonic outputs. TGA/DTG studies were employed to evaluate the thermal degradation of 4APN. The dielectric and AC conductivity properties at various temperatures were evaluated. The Jonscher power was applied to explain electrical conductivity. Experimental findings show that 4APN crystals are suitable for optoelectronic applications.</p> Graphical abstract <p></p>

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Exploring the spectroscopic, photoluminescence, thermal, dielectric, and electrical conductivity properties of 4-aminopyridine nitrate (4APN): A semi-organic material

  • 期刊论文

  • 发表日期：

    2025年1月6日

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  • Helen Merina Albert,
  • Pydikalva Padmavathi,
  • A. Mahalakshmi,
  • Gollapalli Veera Satya Srinivas,
  • M. Kalyan Chakravarthi,
  • M. Reddi Babu,
  • Nellore Manoj Kumar,
  • C. Alosious Gonsago

摘要

This work used the solution growth technique to synthesize 4-aminopyridine nitrate (4APN), a semi-organic material. The 4APN crystals were investigated using X-ray diffraction (XRD), Fourier transform Infrared (FTIR), Scanning electron microscopy (SEM), UV–Visible, photoluminescence (PL), second-harmonic generation (SHG), thermal, and dielectric measurements. The XRD study revealed the monoclinic structure of 4APN. FTIR determined the substance’s molecular vibrations. The optical spectra revealed an extensive transmission in the near-UV and visible range. The 4APN’s bandgap and Urbach energy were determined to be 4.30 and 0.055 eV. PL studies were used to explore the light-emitting property of 4APN. The SHG study revealed the generation of second harmonic outputs. TGA/DTG studies were employed to evaluate the thermal degradation of 4APN. The dielectric and AC conductivity properties at various temperatures were evaluated. The Jonscher power was applied to explain electrical conductivity. Experimental findings show that 4APN crystals are suitable for optoelectronic applications.

Graphical abstract